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CVE-2021-3541

Published: 18 May 2021

A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.

Notes

AuthorNote
avital
Not reproducible in 2.9.4+dfsg1-6.1 and prior
Priority

Medium

CVSS 3 base score: 6.5

Status

Package Release Status
libxml2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal
Released (2.9.10+dfsg-5ubuntu0.20.04.1)
groovy
Released (2.9.10+dfsg-5ubuntu0.20.10.2)
hirsute
Released (2.9.10+dfsg-6.3ubuntu0.1)
impish Not vulnerable
(2.9.10+dfsg-6.7)
jammy Not vulnerable
(2.9.10+dfsg-6.7)
precise Ignored
(end of ESM support, was needs-triage)
trusty Not vulnerable
(code not present)
upstream
Released (2.9.10+dfsg-6.7)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://gitlab.gnome.org/GNOME/libxml2/-/commit/8598060bacada41a0eb09d95c97744ff4e428f8e